596244532a1c8da374cd652dfacb4c54b35a330907508567b89d87aa256854d0

Analysis

max time kernel
120s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 01:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

852a7927d2f4c520a131e729a78a7dd0N.exe
Size

91KB
MD5

852a7927d2f4c520a131e729a78a7dd0
SHA1

ba6ce7ccb67de44b81917873a69b9f8b404126ee
SHA256

596244532a1c8da374cd652dfacb4c54b35a330907508567b89d87aa256854d0
SHA512

f5d4e2d094bede6e4a35c72b8e723b64494f0ce6e28d2155e4a8c3f68ee7239387ddb783a50f16b8409e69d9b75a4970c06d028f4048d847fb360fd64b826dc3
SSDEEP

1536:V7Zf/FAxTWoJJ7Tx4PN54PN2TW7JJ7Tx4PN54PNe:fny1EWXEWg

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4508) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2816-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002348e-2.dat	upx
behavioral2/files/0x00080000000234a1-6.dat	upx
behavioral2/memory/2816-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClient.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.Editors.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jcup.md.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-ppd.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nl-NL\tipresx.dll.mui.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.TypeConverter.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-140.png.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ppd.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebClient.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaws.exe.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\LICENSE.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-stdio-l1-1-0.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientCapabilities.json.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-pl.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClient.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-phn.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-pt.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-convert-l1-1-0.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelInterProviderRanker.bin.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Office.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.IsolatedStorage.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cldr.md.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ppd.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\ReachFramework.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\classes.jsa.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClientSideProviders.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-oob.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\csi.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-pl.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-phn.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ul-oob.xrm-ms.tmp	852a7927d2f4c520a131e729a78a7dd0N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	852a7927d2f4c520a131e729a78a7dd0N.exe

C:\Users\Admin\AppData\Local\Temp\852a7927d2f4c520a131e729a78a7dd0N.exe
"C:\Users\Admin\AppData\Local\Temp\852a7927d2f4c520a131e729a78a7dd0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
92KB

MD5
5e7d1b7b180d0939dd4f83e7b9591d9f

SHA1
99e93a6c3378550b590a85283dc946688d5ee435

SHA256
6d116af75b051a47816904558a949cd037e078d8deae2624d181cc1dca3a6170

SHA512
44806a9fc2f946e5b3890abd3fa3086d33d2be2f57e349fdec9aac85cf2dc4834933a4838f74dce74041dc2dd54606c46dc30ab0a168ff47ade5a7c088c3b52c

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
191KB

MD5
5f413197a16845fdcd2d03f9f2435d90

SHA1
e483300b479fd7dc516cedbf1026f224f723064f

SHA256
16a7345463234a62d2fbfe7ffda5e02eda7e0b1ee7e0c29b8dcd4c56f672a628

SHA512
2805a79b63a8f42bb4cb2f27e84f95b0238856741c93ab6b7fa5e8a54072aa6df3f94fd695f96ba8941b766fa2dcc20ea1018a39c62705306577833ecfbee5d8

Download Submit
memory/2816-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download